uls-tracker
Sign in
Confidence: Medium · Source: FCC ULS · As of 2026-09-12

N4CIX callsign genealogy

Currently held by CERDEIRA, TERRY B

The FCC publishes a previous_call_sign on every amateur license — a self-link to the licensee's prior callsign. Following those links produces the chain below.

Previous callsigns

Older callsigns held by N4CIX's current licensee, walking backwards.

  1. KO4AENcancelled· G
    CERDEIRA, TERRY BKYgranted 2012-03-05cancelled 2019-12-10
  2. KD4JMUcancelled· G
    CERDEIRA, TERRY BKYgranted 2012-03-05cancelled 2019-11-20

Successor callsigns

Callsigns held now by people who previously held N4CIX.

  1. AB8NGcancelled· E
    O Connor Jr, Thomas GDEgranted 2017-07-18cancelled 2018-04-13

All historical holders

Every license row we've seen with the callsign N4CIX, oldest first.

  • O Connor Jr, Thomas G MI
    1997-10-08 → cancelled 2002-03-19
  • CERDEIRA, TERRY B KY
    2019-12-10 active
← Back to N4CIX License history →